Exterior Cleaning
How to Clean Concrete Without Damaging It
Concrete can take a pressure washer, but too much force still etches and stripes it. Here's how to clean it evenly, treat stains, and avoid the zebra look.
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Exterior Cleaning
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Exterior Cleaning
Exterior Surfaces That Should Not Be Pressure-Washed
A pressure washer is only safe on the right surface. Here's a reference list of what to keep it away from — and the gentler method to use on each instead.
Exterior Cleaning
How Soft Washing Works
The chemistry does the cleaning, not the force. That's what makes it safe for roofs, siding and the organic growth a pressure washer only spreads around.
Exterior Cleaning
How Pressure Washing Works
It cleans with concentrated force rather than chemistry. Knowing how that force behaves is what keeps it on the right surfaces and off the wrong ones.
Exterior Cleaning
Oxidation on Siding and Metal: What to Do
Chalky, faded film on vinyl and aluminum is oxidation, not dirt. Here's how to tell whether you can clean it off or need to restore the finish.
Exterior Cleaning
How to Clean a Composite Deck
Composite decking is low-maintenance, not maintenance-free. Here's how to clean it gently, keep mold out of the grooves, and avoid voiding the warranty.
Exterior Cleaning
How to Clean Stucco Safely
Stucco is porous and easily damaged by force. Here's how to clean it safely with soft washing and low pressure — and why the pressure washer stays away.
Exterior Cleaning
How to Clean a Fence
Wood, vinyl and metal each need a different method. Here's how to clean your fence by material, and how to deal with algae without causing damage.
Exterior Cleaning
How to Remove Tiger Stripes from Gutters
Dark vertical streaks on gutter faces come from roof runoff and oxidation, not loose dirt. Here's what causes them and how to clean them off gently.